From: Pascal Nowack <Pascal.Nowack@gmx.de>
Date: Thu, 11 Feb 2021 14:17:22 +0000 (+0100)
Subject: ui/windowManager: Fix horizontal scrolling when smooth events are used
X-Git-Tag: archive/raspbian/50.5-1+rpi1~1^2~616^2^2~419
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=d02612e790ef630864b621bb329db17de5419614;p=gnome-shell.git

ui/windowManager: Fix horizontal scrolling when smooth events are used

Currently, gnome-shell uses the wrong scrolling direction for
horizontal scrolling events.
When dx < 0 for a smooth scroll event, then the scrolling direction is
supposed to be Clutter.ScrollDirection.LEFT, instead of
Clutter.ScrollDirection.RIGHT, as dx is smaller than 0.

Fix this issue by swapping the values LEFT and RIGHT.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1665>
---

diff --git a/js/ui/windowManager.js b/js/ui/windowManager.js
index f113fed38..bbe9b5d71 100644
--- a/js/ui/windowManager.js
+++ b/js/ui/windowManager.js
@@ -1873,8 +1873,8 @@ var WindowManager = class {
             const [dx, dy] = event.get_scroll_delta();
             if (Math.abs(dx) > Math.abs(dy)) {
                 direction = dx < 0
-                    ? Clutter.ScrollDirection.RIGHT
-                    : Clutter.ScrollDirection.LEFT;
+                    ? Clutter.ScrollDirection.LEFT
+                    : Clutter.ScrollDirection.RIGHT;
             } else if (Math.abs(dy) > Math.abs(dx)) {
                 direction = dy < 0
                     ? Clutter.ScrollDirection.UP